2208808064 has 64 divisors (see below), whose sum is σ = 4653525600. Its totient is φ = 1041408000.

The previous prime is 2208808057. The next prime is 2208808067. The reversal of 2208808064 is 4608088022.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (2208808067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550064 + ... + 554064.

Almost surely, 2^2208808064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2208808064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2326762800).

2208808064 is an abundant number, since it is smaller than the sum of its proper divisors (2444717536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2208808064 is a wasteful number, since it uses less digits than its factorization.

2208808064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261 (or 4249 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 2208808064 is about 46997.9580833040. The cubic root of 2208808064 is about 1302.3248466033.

The spelling of 2208808064 in words is "two billion, two hundred eight million, eight hundred eight thousand, sixty-four".